ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 190
Parent subsystem(s): fs (141)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
memory leak in __pcs_replace_full_main btrfs ext4 ntfs3 prio:high 3 syz 1 5d19h 1d19h
BUG: unable to handle kernel paging request in blk_mq_exit_hctx prio:low block ext4 8 syz, C 4 2d10h 4d15h PATCH [22h58m]
WARNING in ext4_do_writepages ext4 prio:low -1 syz, C error 147 22m 7d02h 💬 1 [4d15h]
possible deadlock in dqget (3) ext4 4 1 16d 12d
KASAN: slab-use-after-free Write in do_split prio:high ext4 22 syz, C done 6 8d21h 38d PATCH [9h38m]
WARNING in ext4_write_inode (4) prio:low ext4 -1 2 43d 44d
INFO: task hung in do_new_mount (4) prio:high ext4 fuse 1 syz 8 25d 46d
KASAN: use-after-free Read in ext4_read_inline_data (2) prio:high ext4 19 syz, C error 1 4d10h 53d PATCH [19d]
linux-next test error: general protection fault in __bh_submit prio:high ext4 -1 2 65d 62d 💬 1 [61d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 69d 88d PATCH [24d]
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 99d 113d PATCH [106d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 96d 120d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 8 24d 149d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 155d 169d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 164d 189d PATCH [100d]
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 5d12h 256d PATCH [210d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 24d 268d PATCH [60d]
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 134d 347d 💬 11 [346d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable done 2502 64d 358d PATCH [115d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error error 9790 64d 365d PATCH [141d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 71 5d03h 388d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 4 44d 415d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 79d 416d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 525 4h00m 417d PATCH [407d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 79 3d16h 483d 💬 2 [25d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 306d 543d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 73d 683d PATCH [130d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 2060 1d01h 712d
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 356 7d00h 736d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable done 21100 64d 747d 💬 1 [14d]
WARNING in ext4_journal_check_start (2) ext4 prio:low -1 syz, C inconclusive inconclusive 193 11d 749d PATCH [101d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8168 14h01m 775d PATCH [315d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 307d 799d 💬 1 [799d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 543 2d18h 820d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1007 12d 892d PATCH [891d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3637 16h39m 905d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3032 40d 1207d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 699d 1250d PATCH [769d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 717d 1250d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 6043 5h58m 1419d PATCH [102d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 98d 1439d 💬 7 [969d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in _copy_to_iter / vsnprintf (2) race:benign prio:low ext4 6 1 17d 17d
KCSAN: data-race in data_push_tail / uuid_string (7) race:benign prio:high ext4 6 2 24d 44d
KCSAN: data-race in xas_find_marked / xas_init_marks (8) race:benign prio:low ext4 6 C 2 6d14h 54d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) race:benign prio:high exfat ext4 6 C 5 32d 73d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 3 21d 96d
KCSAN: data-race in __follow_mount_rcu / d_set_mounted prio:low ext4 6 27 13d 338d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 isofs 6 52 15d 470d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 C 241 2d21h 520d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 exfat 6 346 28m 559d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 607 3d01h 559d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 260 4d22h 623d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 C 1670 19h20m 1065d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 559d 2468d